| Billerica, MA | Londonderry, NH | United States |
Population | 41,995 | 25,708 | 329,725,481 |
Female Population | 49.1% | 50.0% | 50.5% |
Male Population | 50.9% | 50.0% | 49.5% |
Median Age | 43 | 42.2 | 38.4 |
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Population - 2010 | 40,419 | 24,024 | 309,327,143 |
Population - 2000 | 38,981 | 23,236 | 285,036,114 |
Population - 1990 | 37,609 | 19,781 | 251,960,433 |
Pop. 2000 to Now | 10.4% | 14.7% | 15.6% |
Pop. 1990 to Now | 14.4% | 34.7% | 30.8% |
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Population Density | 1,642.6 | 612.3 | 93.4 |
Land Area | 25.6 | 42.0 | 3,531,905.4 |
Water Area | 0.7 | 0.1 | 264,836.8 |
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Est. Total Population By Age | | | |
| Billerica, MA | Londonderry, NH | United States |
Age 0 to 4 | 4.0% | 5.4% | 5.9% |
Age 5 to 9 | 4.4% | 4.8% | 6.1% |
Age 10 to 14 | 5.5% | 5.9% | 6.6% |
Age 15 to 17 | 4.1% | 5.8% | 3.9% |
Age 18 to 20 | 2.8% | 4.7% | 4.0% |
Age 21 to 24 | 4.7% | 5.6% | 5.2% |
Age 25 to 34 | 14.4% | 9.8% | 13.8% |
Age 35 to 44 | 12.9% | 12.2% | 12.9% |
Age 45 to 54 | 15.2% | 15.6% | 12.6% |
Age 55 to 59 | 8.7% | 9.0% | 6.7% |
Age 60 to 64 | 7.1% | 5.9% | 6.3% |
Age 65 to 74 | 10.1% | 10.1% | 9.6% |
Age 75 to 84 | 4.3% | 4.3% | 4.5% |
Age 85 and over | 1.7% | 0.9% | 1.9% |
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Race | | | |
| Billerica, MA | Londonderry, NH | United States |
White | 79.6% | 91.4% | 59.4% |
Black | 6.2% | 1.4% | 12.2% |
Asian | 7.2% | 1.8% | 5.6% |
Native American | 0.0% | 0.1% | 0.6% |
Hawaiian, Pacific Islander | 0.1% | 0.1% | 0.2% |
Other | 0.6% | 0.0% | 0.4% |
Two or More Races | 1.9% | 1.5% | 3.2% |
Hispanic | 4.3% | 3.7% | 18.4% |
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Marriage & Family | | | |
| Billerica, MA | Londonderry, NH | United States |
Married Population | 52.8% | 58.5% | 49.8% |
Currently Married | 51.3% | 57.9% | 48.0% |
Married but Separated | 1.5% | 0.6% | 1.8% |
Single Population | 47.2% | 41.5% | 50.2% |
Never Married | 33.4% | 28.0% | 33.8% |
Divorced | 8.9% | 9.8% | 10.8% |
Widowed | 4.9% | 3.7% | 5.6% |
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Household Size | 2.63 | 2.74 | 2.60 |
Households | 15,498 | 9,369 | 124,010,992 |
Family Households | 11,352 | 7,239 | 80,755,759 |
Married couple, w/children | 33.2% | 35.9% | 30.5% |
Married couple, no children | 44.2% | 45.7% | 42.9% |
Non Family Households | 4,146 | 2,130 | 43,255,233 |
Single householder, w/children | 7.2% | 11.6% | 15.8% |
Single householder, no children | 15.5% | 6.7% | 10.8% |